Video - 77-2581KP - Video Install of K&N air intake for 2011 and 2012 Ford F150 5.0L.77-2581KP - K&N has designed a performance air intake system for the 2011 and 2012 Ford F150 5.0L. K&N dynamometer tests show an estimated 9.95 horsepower gain at 5508 RPM with use of this K&N air intake modification. K&N tests multiple vehicles for each air intake kit it makes to ensure a consistent horsepower and torque gain. This video demonstrates the steps needed to install a power gaining K&N air intake into a 2011 and 2012 Ford F150 with the 5.0L engine.